Int 21 Fn 350A  P - Flashtek X-32vm - Physical Address Mapping             [E]

   AX = 350Ah
   EBX = absolute physical address
   ECX = size in bytes of area to map

Return: CF clear if successful
   CF set on error (insufficient memory or service refused by DPMI host)

Notes: should not make repeated calls for the same physical address
   there is no provision for unmapping memory